- There is a musty smell that has no known cause
If you detect a foreign, musty odor in your home, it could be a sign of a bed bug infestation.
An unpleasant and musty smell in your bedroom can indicate the presence of these insects. This is because of bed bugs
releases pheromones whose aroma can become quite strong if large numbers of insects are present.
- When I woke up there were red and itchy spots
The most obvious sign of a bed bug problem can be found on your skin. Bed bug bites are usually small and red, and itchy.
The bite may also become inflamed. However, not everyone reacts to bed bug bites by experiencing red spots or itchy areas.
- There were blood stains on the sheets
Waking up to blood stains on your sheets is worrying, and may indicate a bed bug problem.
Sometimes, we will unconsciously eradicate fleas when or after they eat at night. This can cause blood spots on bed sheets, pajamas, or skin.
If you wake up with bloody spots on your bed, it could be bed bugs in the mattress.
- Black spots appear on the wall
As strange as it may sound, bed bugs can also leave fecal stains on walls or under wallpaper.
If you suspect fleas but don't find any evidence on your bed, try checking the walls for signs of the insects.
- The presence of bed bug shells
Bed bug shells look like white spots or husks, according to the NHS. Sometimes they are mottled and appear when the insects shed their skin as they grow.
Apart from mattresses, shells can also be found under furniture. These insects tend to prefer fabric or wood over plastic or metal.